UpgradeCore.php:
<?php
// --------------------------------------------
// | EP-Dev Forum News
// |
// | Copyright (c) 2003-2005 Patrick Brown as EP-Dev.com
// | This program is free software; you can redistribute it and/or modify
// | it under the terms of the GNU General Public License as published by
// | the Free Software Foundation; either version 2 of the License, or
// | (at your option) any later version.
// |
// | This program is distributed in the hope that it will be useful,
// | but WITHOUT ANY WARRANTY; without even the implied warranty of
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// | GNU General Public License for more details.
// --------------------------------------------
/* ------------------------------------------------------------------ */
// Upgrade Core Class
// Contains upgrade functions related to upgrading configuration of
// the script.
/* ------------------------------------------------------------------ */
class UpgradeCore
{
var $adminPanel;
function UpgradeCore($adminPanel)
{
$this->adminPanel = $adminPanel;
}
function navigate($old_version, $new_version)
{
switch($_REQUEST['page'])
{
// +------------------------------
// UPGRADE PROCESS
// +------------------------------
case "goUpgrade" :
$this->upgradeProcess($_REQUEST['type'], $new_version);
$this->adminPanel->DISPLAY->MENU->blank();
$this->adminPanel->page_Message("Upgrade Complete", $this->adminPanel->DISPLAY->constructOutput("The upgrade has completed. NOTE: Your absolute path has been reset.<br><br>Please <a href='" . basename($_SERVER['PHP_SELF']) . "'> continue to the admin panel</a>."));
break;
// +------------------------------
// Main Upgrader Page
// +------------------------------
default :
switch($old_version)
{
case "2.10" :
case "2.1" :
case "2.11" :
$type = "2.11";
$this->defaultUpgradePage($old_version, $new_version, $type);
break;
default : "No Upgrade Found.";
}
}
}
/* ------------------------------------------------------------------ */
// Default Upgrade Page
// Displays generic upgrade page from $old_version to $new_version.
/* ------------------------------------------------------------------ */
function defaultUpgradePage($old_version, $new_version, $type)
{
$formURL = basename($_SERVER['PHP_SELF']);
// default upgrade page.
$this->adminPanel->DISPLAY->MENU->blank();
$message = $this->adminPanel->DISPLAY->constructOutput("You are about to begin the process of upgrading from version {$old_version}
to version {$new_version}. Please follow any on-screen instructions.<br><br>
<form name='upgradeForm' action='{$formURL}' method='post'>
<input type='hidden' name='page' value='goUpgrade'>
<input type='hidden' name='type' value='{$type}'>
<div align='center'><input type='submit' value='Continue Upgrade'></div>
</form>
");
$this->adminPanel->page_Message("UPGRADE :: From version {$old_version} to version {$new_version}", $message);
}
/* ------------------------------------------------------------------ */
// Upgrade Process
// The part of this script that actually modifies the files (upgrades).
/* ------------------------------------------------------------------ */
function upgradeProcess($old_version, $new_version)
{
$current = $old_version;
$this->clearAbsolutePath();
// detect newline type
$newLine = "
";
$newLine = str_replace("\t", "", $newLine);
while ($current != $new_version)
{
switch($current)
{
// +------------------------------
// Version 2.1x -> 2.20
// +------------------------------
case "2.11" :
// +------------------------------
// Add new configuration
// +------------------------------
for($i=0; $i<count($this->adminPanel->CONFIG->FORUM); $i++)
{
$search["FORUM__{$i}__newConfig"] = "\$this->FORUM[{$i}]['username']";
$replace["FORUM__{$i}__newConfig"] = "\$this->FORUM[{$i}]['dbtype'] = \"mysql\";{$newLine}";
$replace["FORUM__{$i}__newConfig"] .= "\t\t\$this->FORUM[{$i}]['source'] = \"Forum\";{$newLine}";
$replace["FORUM__{$i}__newConfig"] .= "\t\t\$this->FORUM[{$i}]['username']";
$filenames["../config/config.php"][$i] = "FORUM__{$i}__newConfig";
}
// perform search and repalce
$this->rawReplace($search, $replace, $filenames);
unset($search);
unset($replace);
unset($filenames);
// replace at $this->SCRIPT['files']['mysql'] variable
$search['newfilePaths'] = "\$this->SCRIPT['files']['mysql'] = \$this->SCRIPT['folders']['classes']";
// add new RSS and ACCESS paths as well as modify mysql variable
$replace['newfilePaths'] = "\$this->SCRIPT['folders']['access'] = \$this->SCRIPT['folders']['classes'] . \"access/\";{$newLine}";
$replace['newfilePaths'] .= "\t\t\$this->SCRIPT['files']['rss'] = \$this->SCRIPT['folders']['access'] . \"rss.php\";{$newLine}";
$replace['newfilePaths'] .= "\t\t\$this->SCRIPT['files']['mysql'] = \$this->SCRIPT['folders']['access']";
$filenames['../config/config.php'][0] = "newfilePaths";
// new source path
$search['newsourcePath'] = "\$this->SCRIPT['folders']['forums'] = \$this->SCRIPT['folders']['classes'] . \"forums/\";";
$replace['newsourcePath'] = "\$this->SCRIPT['folders']['forums'] = \$this->SCRIPT['folders']['classes'] . \"sources/\";";
$filenames['../config/config.php'][1] = "newsourcePath";
// new line break feature
$search['newlineBreak'] = "\$this->NEWS['recycle_time']";
$replace['newlineBreak'] = "\$this->NEWS['fix_linebreaks'] = true;{$newLine}";
$replace['newlineBreak'] .= "\t\t\$this->NEWS['recycle_time']";
$filenames['../config/config.php'][2] = "newlineBreak";
$this->rawReplace($search, $replace, $filenames);
// +------------------------------
// Modify Version Number to reflect new version
// +------------------------------
$this->modifyVersion("2.20");
$current = "2.20";
break;
}
}
}
/* ------------------------------------------------------------------ */
// Raw Replace
//
// Allows for one to replace raw data (not necessarily config data).
// $filenames contains array with filename as key and vars as identifiers
// of keys in $search and $replace.
/* ------------------------------------------------------------------ */
function rawReplace($search, $replace, $filenames)
{
// +------------------------------
// Perform Search & Replace
// +------------------------------
foreach($filenames as $file => $vars)
{
// create new fileObj
$fileObj = new EP_Dev_Forum_News_Admin_File_IO($file, $this->ERROR);
// Open file
$fileObj->open();
// read contents
$fileContent = $fileObj->read();
// perform search & replace
foreach($vars as $cur_var)
{
//echo "SEARCH: <pre>" . $search[$cur_var] . "</pre><br><br>" . "REPLACE: <pre>" . $replace[$cur_var] . "</pre><br><br><br><br><br>";
$fileContent = str_replace($search[$cur_var], $replace[$cur_var], $fileContent);
}
// write data back to file
$fileObj->writeNew($fileContent);
// close file object
$fileObj->close();
// get rid of variable
unset($fileObj);
}
}
/* ------------------------------------------------------------------ */
// Modify Version
// Updates configuration file's version to $new_version
/* ------------------------------------------------------------------ */
function modifyVersion($new_version)
{
$modifyConfigArray = array();
$modifyConfigArray['adminpanel_filename'] = "../config/config.php:::SCRIPT__version";
$modifyConfigArray['adminpanel_class'] = "CONFIG";
$modifyConfigArray['SCRIPT__version'] = $new_version;
$modifyConfigArray['adminpanel_rules'] = "SCRIPT__version, string";
$this->adminPanel->ModifyConfig($modifyConfigArray);
}
function clearAbsolutePath()
{
$modifyConfigArray = array();
$modifyConfigArray['adminpanel_filename'] = "../config/config.php:::SCRIPT__absolute_path";
$modifyConfigArray['adminpanel_class'] = "CONFIG";
$modifyConfigArray['SCRIPT__absolute_path'] = "";
$modifyConfigArray['adminpanel_rules'] = "SCRIPT__absolute_path, string";
$this->adminPanel->ModifyConfig($modifyConfigArray);
}
}
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